package com.qdu.driver;

import com.qdu.bean.EverydayBean;
import com.qdu.mapper.WorkDayMapper;
import com.qdu.reducer.WorkDayReducer;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.fs.FileSystem;
import org.apache.hadoop.fs.Path;
import org.apache.hadoop.io.Text;
import org.apache.hadoop.mapreduce.Job;
import org.apache.hadoop.mapreduce.lib.input.FileInputFormat;
import org.apache.hadoop.mapreduce.lib.output.FileOutputFormat;

import java.io.IOException;

public class WorkDayDrive{

    public static void main(String[] args) throws IOException, ClassNotFoundException, InterruptedException {
        args = new String[] { "D:/train.csv", "D:/outputwok" };
        Configuration conf = new Configuration();
        Job job = Job.getInstance(conf);

        job.setJarByClass(WorkDayDrive.class);

        job.setMapperClass(WorkDayMapper.class);
        job.setReducerClass(WorkDayReducer.class);

        job.setMapOutputKeyClass(Text.class);
        job.setMapOutputValueClass(EverydayBean.class);

        job.setOutputKeyClass(Text.class);
        job.setOutputValueClass(EverydayBean.class);

//        FileInputFormat.addInputPath(job, new Path(args[0]));
//        FileOutputFormat.setOutputPath(job, new Path(args[1]));
        FileInputFormat.setInputPaths(job,args[0]);
        Path outputPath=new Path(args[1]);
        FileSystem fs=FileSystem.get(conf);
        if (fs.exists(outputPath)){
            fs.delete(outputPath,true);
        }
        FileOutputFormat.setOutputPath(job,outputPath);

        boolean result = job.waitForCompletion(true);
        System.exit(result ? 0 : 1);

    }
}
